Surface & Interface Property Testing
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| Brand | GuanCe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PMQS-I.4 |
| Price | USD 1,900 (FOB Beijing) |
| Power Supply | 220 V / 50 Hz |
| Height Travel Range | 0–800 mm |
| Optical Sensor Accuracy | ±1 mm |
| Optical Sensor Range | 10–1000 mm |
| Temperature Probe Range | 0–500 °C, Accuracy: ±0.5% FS |
| Pressure Sensor Range | 0–500 N |
| Sample Cup ID | 100 mm |
| Sample Cup Height | 200 mm |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | SFT-A3 |
| Pricing | Available Upon Request |
| Measurement Range | 0–1000 mN/m |
| Resolution | 0.01 mN/m |
| Accuracy | ±0.01 mN/m |
| Data Acquisition Rate | Up to 23 Hz |
| Zeroing | One-Touch Automatic Calibration |
| Operating System | 7-inch Full-Color WinCE Embedded Interface |
| Data Export | USB 2.0 Flash Drive Support |
| Peripheral Compatibility | External Mouse Supported |
| Stage Vertical Travel | 0–50 mm |
| Stage Repeatability | ±0.5 µm |
| Stage Speed Control | Programmable & Variable During Test |
| Actuation Interface | USB-Controlled Precision Lead Screw (Low-Noise, High-Stability) |
| Temperature Sensing Accuracy | ±0.01 °C |
| Temperature Readout | Software-Integrated, Independent Display |
| Test Methods | Wilhelmy Plate Method, du Noüy Ring Method |
| Automation Level | Fully Automated Surface/Interfacial Tension Measurement with Manual Override Mode |
| Liquid Level Detection | Real-Time Electronic Sensor-Based Meniscus Recognition |
| Data Management | On-Screen Real-Time Plotting, Local Database Storage, Historical Query, Export to Origin-Compatible Format (.opj/.txt) |
| Dimensions (L×W×H) | 450 × 350 × 580 mm |
| Weight | 20 kg |
| Power Supply | 220 V AC, 3 A |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HARKE-A3 |
| Quotation | Available Upon Request |
| Surface Tension Range | 0–1000 mN/m |
| Accuracy | ±1% of F.S. |
| Resolution | ±0.1 mN/m |
| Sample Stage Vertical Travel | 45 mm |
| Stage Speed | 0–1 mm/min |
| Sample Vessel Diameter | Ø55 mm |
| Heating Power | 100 W |
| Temperature Control | PID On/Off Mode |
| Temp. Stability | ±0.1 °C |
| Display | 7.0″ TFT LCD, 800×400 resolution |
| Test Methods | Du Noüy Ring Method, Wilhelmy Plate Method |
| Functions | Surface Tension Measurement, Mass Measurement |
| Mass Range | 0–120 g |
| Mass Accuracy | 0.0001 g |
| Total Power Consumption | 120 W |
| Input Power | 220 V AC, 3 A, 60 Hz |
| Dimensions (L×W×H) | 500 × 500 × 700 mm |
| Net Weight | 30 kg |
| Brand | HARKE |
|---|---|
| Model | C2 |
| Type | Surface & Interface Tensiometer |
| Measurement Principle | Wilhelmy Plate (Du Noüy Ring optional) |
| Surface/Interfacial Tension Range | 0–400 mN/m |
| Accuracy | ±0.1 mN/m |
| Display Resolution | ±0.01 mN/m |
| Force Sensor | Electromagnetic Balance, 0–120 g |
| Stage Vertical Speed | 0–10 mm/s |
| Stage Travel Distance | 0–80 mm |
| Positioning Accuracy | ±0.1 mm |
| Sample Vessel Diameter | Φ50 mm |
| Temperature Control | Ambient (optional heated stage & thermostatic jacket) |
| Software | SFT-C1 v3.x (GLP-compliant data logging, audit trail, user management) |
| Dimensions (W×D×H) | 260 × 350 × 500 mm |
| Weight | 15 kg |
| Compliance | ASTM D971, ISO 6295, ISO 1409, USP <1092>, DIN 53914 |
| Origin | Beijing, China |
| Manufacturer | HARKE Instrument Co., Ltd. |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-DPT |
| Instrument Class | Dynamic Contact Angle Meter |
| Instrument Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 120 × 120 mm |
| Optical Magnification | 0.75×–4.5× Continuous Zoom |
| Surface/Interfacial Tension Measurement Range | 0.01–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Stage Travel (X-axis) | 0–800 mm |
| Measurement Head Vertical Travel (Z-axis) | 0–100 mm |
| Working Distance (Objective) | >90 mm |
| Syringe Volume | 100 µL |
| Automated Dispenser Travel Range | 0–50 mm |
| Illumination | Adjustable LED Backlight |
| Image Sensor | High-Resolution CMOS Camera |
| Analysis Modes | Automatic Baseline Circle Fitting, Manual Baseline Circle Fitting, Sessile Drop, Tilting Plate (Dynamic CA), and Captive Bubble |
| Software Capabilities | Real-time Image Capture at Configurable Intervals, Video Recording & Playback, Frame-by-Frame Measurement Extraction, On-Image Data Annotation, Exportable CSV/Excel Reports, Audit-Trail-Enabled Session Logging |
| Brand | HARKE |
|---|---|
| Model | HARKE-10C |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Dynamic Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Magnification | 0.7× to 4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01–2000 mN/m |
| Imaging System | USB 3.0 Camera, 30 fps (optional up to 1000 fps) |
| Software | SPCA 1.0 |
| Measurement Methods | Circle, Ellipse, Height-Width, Young-Laplace Fitting, and 5 additional algorithms |
| Droplet Dispensing Precision | ±0.1 mm |
| Vertical Lens Travel | 30 mm |
| Power Supply | 220 V, 3 A, 50 Hz |
| Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Brand | HARKE |
|---|---|
| Model | HARKE-OCPC |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 High-Speed Camera (30 fps standard |
| Software | SPCA 1.0 |
| Measurement Methods | Sessile Drop, Tilting Plate (Roll-Off Angle), Pendant Drop, Oscillating Drop, Circle/Ellipse/Height-Width Fitting, and 8+ algorithmic models |
| Stage Positioning Accuracy | ±0.1 mm |
| Syringe Translation Travel | 30 mm |
| Lens Vertical Travel | 30 mm |
| Power Supply | 220 V, 3 A, 50 Hz |
| Operating Temperature | Ambient |
| Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic (China-made) |
| Model | HARKE-PV35S |
| Instrument Class | Video Optical Contact Angle Analyzer |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 350 mm × 350 mm |
| Optical Magnification | 0.75×–4.5× (parfocal zoom) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.1 mN/m |
| Brand | HARKE |
|---|---|
| Model | HARKE-SFT-SK |
| Origin | Beijing, China |
| Manufacturer | HARKE (OEM Producer) |
| Measurement Principle | Du Noüy Ring Method & Wilhelmy Plate Method |
| Measurement Range | 0–400 mN/m |
| Resolution | 0.01 mN/m |
| Accuracy | ±0.1 mN/m |
| Temperature Display Range | 0–95 °C |
| Temperature Accuracy | ±0.1 °C |
| Sensor Capacity | 0–120 g |
| Stage Travel Speed | 0–10 mm/sec |
| Stage Travel Distance | 0–80 mm |
| Stage Positioning Accuracy | ±0.1 mm |
| Sample Cup Diameter | Φ50 mm |
| Software | SFT-Al |
| Compliance | GB/T 6541–1986, ISO 1409:1995, GB/T 22237–2008, SH/T 1156–1995, ISO 6295:1983 |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-SPC A |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 Camera, Software-Controlled at 30 fps (Optional: 100/300/1000+ fps) |
| Measurement Methods | Circle Fitting, Ellipse Fitting, Height-Width, Young-Laplace Fitting, Spline, Polynomial, Axisymmetric Drop Shape Analysis (ADSA), and Tangent Method |
| Software | SPCA 1.0 |
| Power Supply | 220 V, 3 A, 50 Hz |
| Operating Temperature | Ambient |
| Positioning Accuracy (X/Y/Z) | ±0.1 mm |
| Total Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Lens Vertical Travel | 30 mm |
| Syringe Dispenser Travel | 30 mm |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HARKE-SPCA |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.01° |
| Fixed Sample Stage Dimensions | 120 mm × 120 mm |
| Optical Magnification | 0.7×–4.7× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Droplet Formation Method | Sessile Drop |
| Analysis Methods | Tangent, Circle Fitting, Baseline-Circle Hybrid |
| Image Processing Modes | Manual & Auto Edge Detection |
| Adhesion Work & Spreading Coefficient Calculation | Yes |
| CMOS Imaging System | High-Resolution Digital Camera with Real-Time Capture |
| Video Functionality | Record, Playback, Frame-by-Frame Extraction, Timed Snapshot Capture |
| Stage Translation Ranges | Vertical (50 mm + 50 mm extension), Horizontal (X: 60 mm, Y: 30 mm), Fixed Plate Translation (Y: 150 mm) |
| Syringe Translator | Vertical (80 mm), Horizontal (60 mm) |
| Microscope Translator | Y-axis (80 mm) |
| Max Sample Thickness | 80 mm |
| Overall Dimensions | 230 mm (W) × 600 mm (D) × 650 mm (H) |
| Brand | HARKE |
|---|---|
| Model | HARKE-SPCA-P |
| Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Stage Dimensions | 100 mm × 120 mm |
| Optical Zoom | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging Frame Rate | Up to 1000 fps (optional) |
| Software | SPCA 1.0 |
| Power Supply | 220 V, 3 A, 50 Hz |
| Weight | 30 kg |
| Operating Temperature | Ambient |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-SPCA-X |
| Pricing | Upon Request |
| Instrument Class | Video Optical Contact Angle Meter |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Brand | HARKE |
|---|---|
| Model | HARKE-SPCAk |
| Type | Video-Based Optical Contact Angle Analyzer |
| Form Factor | Benchtop Laboratory Instrument |
| Contact Angle Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | ±0.01° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Imaging System | USB 3.0 High-Speed Camera (30 fps standard |
| Software | SPCA1.0 |
| Power Supply | 220 V, 3 A, 50 Hz |
| Weight | 30 kg |
| Footprint | 300 mm × 760 mm |
| Lens Vertical Travel | 30 mm |
| Syringe Dispenser Vertical Travel | 30 mm |
| Positioning Accuracy (X/Y/Z) | ±0.1 mm |
| Measurement Methods | Circle Fitting, Ellipse Fitting, Height-Width Method, and 5 additional algorithmic approaches |
| Temperature Condition | Ambient |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HARKE-SPCAX |
| Instrument Kind | Video Optical Contact Angle Analyzer |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.5° |
| Fixed Sample Stage Dimensions | 100 mm × 120 mm |
| Image Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Contact Angle Resolution | 0.1° |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Video Optical Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 120 mm × 120 mm |
| Optical Magnification | 0.7×–4.7× (parfocal zoom) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Measurement Methods | Sessile Drop, Tilting Plate (Roll-off), Captive Bubble |
| Analysis Algorithms | Tangent, Circle Fit, Ellipse Fit, Local Profile Fitting, Full Profile Fitting, Young–Laplace Fitting, Dynamic Tracking, Goniometric Ruler |
| Image Processing | Dual-mode (manual + auto-edge detection) |
| Surface Energy Calculation Models | Zisman, Fowkes, Owens–Wendt, Wu, van Oss–Chaudhury–Good |
| Motorized XYZ Stage (Stage Travel | X±50 mm, Y±30 mm, Z±50 mm |
| Fixed Plate Translation | ±150 mm Y-axis) |
| Precision Syringe Pump (Auto Dispensing | 250 µL range, ±0.1 µL accuracy |
| Manual Mode | 2 mL range, ±0.1 µL accuracy) |
| Overall Dimensions | 230 mm (W) × 640 mm (D) × 750 mm (H) |
| Weight | 38 kg |
| Brand | HARKE |
|---|---|
| Model | HARKE-SPCAX3 |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 120 mm × 120 mm |
| Optical Magnification | 0.7×–4.7× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.1 mN/m |
| Measurement Methods | Sessile Drop, Tilting Plate (Roll-off), Immersion (Fiber/Sheet), Captive Bubble |
| Analysis Algorithms | Tangent, Circle, Ellipse, Local Profile Fitting, Full Profile Fitting, Young–Laplace Fitting, Dynamic Tracking, Curve Ruler Method |
| Surface Energy Calculation Models | Zisman, Fowkes, Owens–Wendt–Rabel–Kaelble (OWRK) |
| Imaging System | High-Resolution CMOS Camera with Real-Time Recording & Frame Capture |
| Motorized Precision Dispensing | 1000 µL Range, ±0.1 µL Resolution |
| Manual Syringe Module | 2 mL Range, ±0.1 µL Resolution |
| Stage Motion | Vertical (Auto: 0–30 mm |
| Manual | 0–80 mm), Horizontal X/Y (50 mm / 30 mm), Extended Translation (150 mm Front–Back) |
| Integrated Heating Stage | Optional |
| Max Sample Thickness | 80 mm |
| Overall Dimensions | 230 mm (W) × 640 mm (D) × 750 mm (H) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-10 |
| Instrument Class | Video Optical Contact Angle Meter |
| Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.5×–0.7× (Stepped Zoom Lens) |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate (Sliding Angle), Expansion/Contraction, Rolling-off |
| Surface Tension Methods | Pendant Drop, Ring (Du Noüy), Wilhelmy Plate, Maximum Bubble Pressure, Drop Volume |
| Software | HKCA10 v3.x |
| Camera Interface | USB 3.0 |
| Frame Rate | Up to 1000 fps (Optional High-Speed Modules) |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient (Optional Thermostatic or Heated Stage) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-15 |
| Instrument Kind | Video-Based Optical Contact Angle Analyzer |
| Instrument Form Factor | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Imaging Frame Rate (Standard) | 40 fps (USB 3.0) |
| Optional | 100/300/1000+ fps |
| Software | HKCA10 |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate (Sliding Angle), Expansion–Contraction, Rolling-off |
| Surface Energy Calculation | Owens–Wendt, Wu, Fowkes, van Oss–Chaudhury–Good models |
| Tension Method | Pendant Drop |
| Temperature Environment | Ambient (optional heated/cooled stage or thermostatic enclosure) |
| Power Supply | 220 V / 3 A / 50 Hz |
| Weight | 25 kg |
| Dimensions (W × H × D) | 160 × 710 × ? mm (depth not specified) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-20 |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Fixed Sample Stage Dimensions | 100 × 100 mm |
| Optical Magnification | 0.5×–0.7× (stepped zoom lens) |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Resolution | 0.01 mN/m |
| Imaging Frame Rate | Up to 1000 fps (optional) |
| Software | HKCA20 v4.x |
| Measurement Methods | Sessile Drop, Captive Bubble, Immersion, Tilting Plate, Expansion–Contraction, Rolling-off, Elliptical Fitting, Circular Fitting, and Advanced Dynamic Analysis Modules |
| Brand | HARKE |
|---|---|
| Model | HK-EVM |
| Measurement Principle | Du Noüy Ring Method |
| Measurement Range | 0–100 mN/m |
| Resolution | 0.01 mN/m |
| Accuracy | ±0.01 mN/m |
| Temperature Display Range | 0–90 °C |
| Temperature Display Accuracy | ±0.1 °C |
| Sensor Capacity | 0–120 g |
| Stage Vertical Speed | 0–10 mm/s |
| Stage Travel Distance | 0–80 mm |
| Stage Positioning Accuracy | ±0.1 mm |
| Sample Cup Diameter | Φ50 mm |
| Software | SFT-A Suite |
| Operating Temperature | Ambient |
| Dimensions (W×D×H) | 360 × 360 × 620 mm |
| Weight | 20 kg |
| Optional Accessory | Electrically Heated Circulating Jacket |
| Brand | HARKE |
|---|---|
| Model | HK-EVM-SPCA |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Goniometer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm (standard) |
| Optical Zoom Ratio | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging System | USB 2.0 high-speed camera (30 fps standard |
| Lens Travel | 120 mm |
| Dimensions (W×D×H) | 260 mm × 700 mm × — mm (height not specified) |
| Weight | ~30 kg |
| Software | HARKE-SPCA v1.0 |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Analysis Method | Equation of State (EOS) |
| Fitting Algorithms | Circle, Ellipse, Young-Laplace (Sessile Drop & Pendant Drop), SCA (Solid Contact Angle) |
| Optional Accessories | Motorized Tilt Stage, Peltier-based Heating Stage, Automated Syringe Pump Module |
| Compliance | Designed for ISO 19403-2, ASTM D7334, and ISO 21365-compliant workflows |
| Brand | HARKE |
|---|---|
| Model | HK-EVN-SPCA |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Pricing | Available Upon Request |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.1° |
| Contact Angle Resolution | ±0.01° |
| Surface/Interfacial Tension Method | Pendant Drop |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Optical System | ZF-180 High-Resolution Stepping Zoom Lens |
| Imaging System | USB 2.0 Camera + PC Software Control, 30 fps (optional: 100/300/1000+ fps) |
| Instrument Footprint | 260 mm × 700 mm |
| Lens Vertical Travel | 120 mm |
| Weight | ~30 kg |
| Software | HARKE-SPCA v1.0 |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Calculation Method | Equation of State (EOS) |
| Fitting Algorithms | Circle, Ellipse, Young-Laplace (Sessile & Pendant Drop), Spherical Cap |
| Measurement Modes | Static Contact Angle (Sessile Drop), Advancing/Receding Angle, Contact Angle Hysteresis, Roll-off Angle, Dynamic Wetting Kinetics, Immersion (Underliquid) Contact Angle, Time-Resolved Contact Angle Profiles, Powder Wettability (via Washburn), Curved & Microstructured Surface Analysis |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-EY-SPCA |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Method | Pendant Drop |
| Surface/Interfacial Tension Range | 0–100 mN/m |
| Surface/Interfacial Tension Accuracy | 0.01 mN/m |
| Imaging System | USB 2.0 Camera (30 fps standard |
| Lens Travel | 120 mm |
| Dimensions (W × D × H) | 260 mm × 700 mm × — mm |
| Weight | ~30 kg |
| Software | HARKE-SPCA v1.0 |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Analysis Method | Equation of State (EOS), Circle Fit, Ellipse Fit, Small-Drop Method |
| Additional Capabilities | Advancing/Receding Angle, Roll-off Angle, Contact Angle Hysteresis, Dynamic Wetting Kinetics, Submerged Drop (Adhesion Drop), Solid Surface Free Energy Decomposition (Polar/Dispersive Components) |
| Brand | HARKE |
|---|---|
| Model | HK-SFT-A1 |
| Measurement Principle | Du Noüy Ring Method |
| Measurement Range | 0–400 mN/m |
| Resolution | ±0.01 mN/m |
| Accuracy | ±0.1 mN/m |
| Temperature Display Range | 0–90 °C |
| Temperature Display Accuracy | ±0.1 °C |
| Sensor Type | Electromagnetic Force Compensation Balance |
| Sensor Capacity | 0–120 g |
| Stage Travel Distance | 0–80 mm |
| Stage Vertical Speed | 0–10 mm/s |
| Stage Positioning Accuracy | ±0.1 mm |
| Sample Holder Diameter | Φ50 mm |
| Software | SFT-A |
| Dimensions (W×D×H) | 360×360×620 mm |
| Weight | 20 kg |
| Compliance | GB/T 6541, ISO 1409, GB/T 22237, SH/T 1156, ISO 6295, JB/T 18396, GB/T 5549 (ISO 304) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HK-SFT-A3 |
| Measurement Range | 0–200.0 mN/m |
| Resolution | 0.1 mN/m |
| Accuracy | ≤ ±1% FS |
| Repeatability | ≤ ±1% |
| Temperature Display Range | 0–99.99 °C |
| Temperature Display Accuracy | ±0.01 °C |
| Measurement Method | Du Noüy Ring Method |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions | 300 × 300 × 400 mm (W × D × H) |
| Control System | 32-bit ARM microcontroller |
| A/D Converter | 24-bit |
| Sensor Type | LVDT displacement transducer |
| Force Transmission | Precision torque-wire lever mechanism |
| Display | Dual-zone digital LCD (real-time force + final result) |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-SPCA |
| Instrument Class | Benchtop Laboratory Contact Angle Analyzer |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm (standard) |
| Optical Zoom Ratio | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Method | Pendant Drop |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging System | ZF-180 High-Resolution Stepping Zoom Lens + USB 2.0 Camera (30 fps standard |
| optional | 100/300/1000+ fps) |
| Software | HARKE-SPCA v1.0 |
| Surface Energy Calculation Methods | Equation of State (EOS), Circle Fit, Ellipse Fit, Small-Drop Method |
| Environmental Operation | Ambient Temperature |
| Power Supply | 220 V AC / 3 A / 50 Hz |
| Instrument Dimensions | 260 mm × 700 mm × (height not specified) |
| Lens Vertical Travel | 120 mm |
| Net Weight | ~30 kg |
| Compliance | Designed for GLP-aligned workflows |
| Brand | HARKE |
|---|---|
| Model | HK-SPCA |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Measurement Accuracy | ±0.01 mN/m |
| Imaging System | ZF-180 High-Resolution Stepping Zoom Lens + USB 2.0 Camera (30 fps standard |
| Software | HARKE-SPCA v1.0 |
| Surface Energy Analysis Method | Equation of State (EOS), Circle Fit, Ellipse Fit, Sessile Drop Small-Drop Method |
| Tension Analysis Method | Pendant Drop |
| Power Supply | 220 V / 3 A / 50 Hz |
| Weight | ~30 kg |
| Footprint | 260 mm × 700 mm |
| Lens Vertical Travel | 120 mm |
| Brand | HARKE |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | HK-SPCA X1 |
| Instrument Kind | Video Optical Contact Angle Meter |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Accuracy | ±0.5° |
| Sample Stage Dimensions | 100 mm × 120 mm |
| Optical Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Range | 0–1000 mN/m |
| Surface/Interfacial Tension Resolution | 0.01 mN/m |
| Brand | HARKE |
|---|---|
| Model | HK-SPCA-1 |
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Instrument Type | Benchtop Laboratory System |
| Contact Angle Measurement Range | 0–180° |
| Contact Angle Measurement Accuracy | ±0.1° |
| Contact Angle Display Resolution | 0.01° |
| Sample Stage Dimensions | 400 mm × 400 mm |
| Optical Zoom Magnification | 0.7×–4.5× |
| Surface/Interfacial Tension Measurement Range | 0–1000 mN/m |
| Surface/Interfacial Tension Accuracy | ±0.01 mN/m |
| Imaging System | USB 2.0 High-Speed Camera (30 fps standard |
| Lens Travel | 120 mm |
| Dimensions (W×D×H) | 260 mm × 700 mm × — mm |
| Weight | ~30 kg |
| Power Supply | 220 V / 3 A / 50 Hz |
| Operating Temperature | Ambient |
| Surface Energy Calculation Method | Equation of State (EOS) |
| Fitting Algorithms | Circle, Ellipse, Young-Laplace, Sessile Drop, Captive Bubble, Tilting Plate |
| Tension Method | Pendant Drop |
| Software Version | HARKE-SPCA 1.0 |